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发明名称
SYNCHRONISING SOUND AND PICTURE FILMS
摘要
申请公布号
GB1418776(A)
申请公布日期
1975.12.24
申请号
GB19730014678
申请日期
1973.03.27
申请人
SIDI A
发明人
分类号
G03B31/04;(IPC1-7):G03B31/04
主分类号
G03B31/04
代理机构
代理人
主权项
地址
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